change URL strategy : use a pageURL field for pages, with ascii folding
from title
fix : alphanum not longer relevant
add meta data in page rendering
update twig for meta
Add Dam and DamTypes
prepare advanced image controler
Handle image resizing in controller (should be moved to a specific class
later)
optimization : no processing if no resize needed !
move resizze code to a specific class
refactor
handle file download
reactivate CSRF token
fix manager call
add GD & File-Info requirement
add mongo extension requirement
prepare getOriginal & getThumbnail actions
add a die when no thumbnail available (need to be implemented)
add a stub create Action
no longer using "media", should use "dam"
create dam action